Law / United States / California / Berkeley
Prohibition on the Sale or Use of Coordinated Pricing Algorithms
Berkeley Municipal Code ch. 13.63
In force since .
An AI prohibited practices rule binding private bodies.
- How the hook was established
- express
- What it reaches
- supply
- What makes it apply
- Operator establishment, Place of effect
- Obligation class
- Prohibition
- Audit expectation
- none
What it requires
- Do not sell, license, or otherwise provide to a Berkeley landlord any coordinated pricing algorithm that uses competitor rent or occupancy data to set or recommend rents or occupancy levels for a residential unit in Berkeley
These lines are LexLint's reading of the law's text.
In the frameworks
- NIST AI RMF
- MAP 3.3Targeted application scope is specified and documented based on the system’s capability, established context, and AI system categorization.
- NIST AI 600-1
- GAI-RISK-08Information Integrity
- GAI-RISK-11Obscene, Degrading, and/or Abusive Content
- MIT mitigations Draft
- FINOS AIGF
- AIR-PREV-005System Acceptance Testing
- ETSI EN 304 223
Our reading of where this law's duties sit in each framework. It never says that running a control meets the law. How we read a framework against the law
Identifiers refer to ETSI EN 304 223 V2.1.1 (2025-12), © ETSI 2025, all rights reserved. ETSI owns the standard; no ETSI text (titles or sentences) is reproduced here. The standard is free to download from ETSI.
If you get it wrong
Private right of actionYes
Penalty structure
Civil penalties of up to $1,000 per violation, sought by the City Attorney under section 13.63.040(A) or by an aggrieved tenant under section 13.63.040(B). Each month a violation exists or continues, and each dwelling unit for which a landlord used the algorithm, is a separate violation under section 13.63.030.
- Rule
- Per violation only
- As of
- Currency
- USD
- Per violation unit
- Violation
- Per violation amount
- 1,000
Who enforces it
Enforcement body
The City Attorney, by civil action under section 13.63.040(A); an aggrieved tenant, by private civil action under section 13.63.040(B) for a landlord's use of a coordinated pricing algorithm.
Settledness
- As of
- Open questions
- What counts as conducting market research for project financing under the exclusion in Berkeley Municipal Code 13.63.020(A), when the same product also reports rents to a Berkeley landlord?
What it makes you log
Logging duty
The chapter prohibits selling or using a coordinated pricing algorithm and sets civil remedies for a violation. It states no duty to create, keep, or produce on demand any record of rents set, algorithms used, or data shared.
- Kind
- None
- As of
What this law does
It is unlawful to sell, license, or otherwise provide to a Berkeley landlord a coordinated pricing algorithm, a category that includes software using competitor rent or occupancy data, that sets or recommends rents or occupancy levels for a residential unit, and separately unlawful for a landlord to use such an algorithm. Each month of use and each affected unit is a separate violation.
The City Attorney or an aggrieved tenant may sue for damages, injunctive relief, or civil penalties of up to $1,000 per violation.
When LexLint raises it
When your app profile says your app makes housing decisions.
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